1922895 has 48 divisors (see below), whose sum is σ = 3800160. Its totient is φ = 891648.

The previous prime is 1922891. The next prime is 1922909. The reversal of 1922895 is 5982291.

It is not a de Polignac number, because 1922895 - 2² = 1922891 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (12960) is a multiple of the sum of its prime factors (216).

1922895 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922891) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11029 + ... + 11201.

It is an arithmetic number, because the mean of its divisors is an integer number (79170).

2^1922895 is an apocalyptic number.

1922895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1922895 is a deficient number, since it is larger than the sum of its proper divisors (1877265).

1922895 is a wasteful number, since it uses less digits than its factorization.

1922895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 213 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 1922895 is about 1386.6848957135. The cubic root of 1922895 is about 124.3517371878.

The spelling of 1922895 in words is "one million, nine hundred twenty-two thousand, eight hundred ninety-five".